Weekly Traffic Awareness Campaign Weekly TAC happens every Thursday on Ramapuram DLF, MEPZ Tambaram, Tidel Park, Thoraipakkam, Siruseri, Sholinganallur from 8.30 AM to 10.30 AM. On Fridays, TAC will happen in Thoraipakkam, Sholinganallur and Tidel Park from 8.30 AM to 10.30 AM.